The innovative sealing ring provides excellent acoustic protection against low-frequency sounds. Soft wide cushions help reduce pressure around the ears and increase comfort and wearability. The slim design features dual molded cups. The expanded interior of the cups helps reduce moisture and heat buildup. The electrically insulated headband is designed for use in high-noise environments. The 3M™ PELTOR™ X Series Headset X4A offers 33(dB) attenuation, providing high-performance protection in various industries.